<!--

    Copyright © 2016-2021 The Thingsboard Authors

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

        http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.

-->
<div class="widget-select">
  <div *ngIf="widgetsBundle; else bundles">
    <div *ngIf="(widgets$ | async)?.length; else loadingWidgets" fxFlexFill fxLayoutGap="12px grid" fxLayout="row wrap">
      <div *ngFor="let widget of widgets$ | async" class="mat-card-container">
        <mat-card fxFlexFill fxLayout="row" fxLayoutGap="16px" (click)="onWidgetClicked($event, widget)">
          <div class="preview-container" fxFlex="45">
            <img class="preview" [src]="getPreviewImage(widget.image)" alt="{{ widget.title }}">
          </div>
          <div fxFlex fxLayout="column">
            <mat-card-title>{{widget.title}}</mat-card-title>
            <mat-card-subtitle>{{ 'widget.' + widget.type | translate }}</mat-card-subtitle>
            <mat-card-content *ngIf="widget.description">
              {{ widget.description }}
            </mat-card-content>
          </div>
        </mat-card>
      </div>
    </div>
    <ng-template #loadingWidgets>
      <div *ngIf="loadingWidgets$ | async; else emptyBundle" fxLayout="column"
           fxLayoutAlign="center center" class="tb-absolute-fill">
        <span class="mat-headline" style="padding-bottom: 20px;">
          {{ 'widget.loading-widgets' | translate }}
        </span>
        <mat-spinner color="accent" strokeWidth="5"></mat-spinner>
      </div>
      <ng-template #emptyBundle>
        <span translate
              style="display: flex;"
              fxLayoutAlign="center center"
              class="mat-headline tb-absolute-fill">widgets-bundle.empty</span>
      </ng-template>
    </ng-template>
  </div>
  <ng-template #bundles>
    <div *ngIf="(widgetsBundles$ | async)?.length; else loadingWidgetBundles" fxFlexFill fxLayoutGap="12px grid" fxLayout="row wrap">
      <div *ngFor="let widgetsBundle of widgetsBundles$ | async" class="mat-card-container">
        <mat-card fxFlexFill fxLayout="row" fxLayoutGap="16px" (click)="selectBundle($event, widgetsBundle)">
          <div class="preview-container" fxFlex="45">
            <img class="preview" [src]=getPreviewImage(widgetsBundle.image) alt="{{ widgetsBundle.title }}">
          </div>
          <div fxFlex fxLayout="column">
            <mat-card-title>{{ widgetsBundle.title }}</mat-card-title>
            <mat-card-subtitle *ngIf="isSystem(widgetsBundle)" translate>widgets-bundle.system</mat-card-subtitle>
            <mat-card-content *ngIf="widgetsBundle.description">
              {{ widgetsBundle.description }}
            </mat-card-content>
          </div>
        </mat-card>
      </div>
    </div>
    <ng-template #loadingWidgetBundles>
      <div *ngIf="loadingWidgetBundles$ | async; else noWidgetBundles" fxLayout="column"
           fxLayoutAlign="center center" class="tb-absolute-fill">
        <span class="mat-headline" style="padding-bottom: 20px;">
          {{ 'widgets-bundle.loading-widgets-bundles' | translate }}
        </span>
        <mat-spinner strokeWidth="5"></mat-spinner>
      </div>
      <ng-template #noWidgetBundles>
        <span translate
              style="display: flex;"
              fxLayoutAlign="center center"
              class="mat-headline tb-absolute-fill">widgets-bundle.no-widgets-bundles-text</span>
      </ng-template>
    </ng-template>
  </ng-template>
</div>
